<?php
header("Content-Type:text/html; charset=utf-8");
require 'City.php';
$cityConfig = MBCity::$cityConfig;
$china = $cityConfig[1]['province'];
foreach($china AS $province) {
    echo $province['name']. "<br />";
    foreach($province['city'] AS $key=>$city) {
        echo $key . $city . "，";
    }
}